.box-product {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-medium, 16px);
    position: relative;
}

.box-product-l, .box-product-r-t, .box-product-r-m, .box-product-r-detail, .box-product-r-des {
    background-color: var(--secondary-color, #fff);
    padding: var(--spacing-medium, 16px);
    border-radius: var(--border-radius, 5px);
}

.box-product-r-t, .box-product-r-m, .box-product-r-detail {
    margin-bottom: var(--spacing-medium, 16px);
}

.box-product-l {
    align-self: start;
    position: sticky;
    top: 0;
    padding-top: calc(var(--spacing-medium, 16px) * 2);
    padding-bottom: calc(var(--spacing-medium, 16px) * 2);
}

.box-product-l .large-image {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-medium, 16px);
}

.large-image img {
    display: block;
    max-width: 330px;
    max-height: 330px;
    min-height: 100px;
    object-fit: contain;
}

.large-image img:hover {
    cursor: pointer;
}

.list-image-small {
    display: flex;
    justify-content: space-between;
    width: 100%;
    max-width: 100%;
}

.image-small-item {
    flex: 1 0 18%;
    aspect-ratio: 1 / 1;
    margin-right: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius, 5px);
    border: 1px solid var(--secondary-color, #fff);
    max-width: 120px;
}

.last-image-item {
    margin-right: 0;
    background-color: rgba(0, 0, 0, 0.8);
    color: #fff;
    font-weight: 700;
    font-size: 18px;
}

.image-small-item img{
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--border-radius, 5px);
}

.image-small-item:hover {
    border: 1px solid #2489F4;
    cursor: pointer;
}

.group-button {
    display: flex;
    justify-content: space-between;
}

.group-button > div {
    background-color: var(--primary-color, #ED1C25);
    border-radius: var(--border-radius, 5px);
    color: var(--text-light-2, #fff);
    padding: var(--spacing-small, 8px);
    border: 1px solid var(--primary-color, #ED1C25);
    margin-top: var(--spacing-medium, 16px);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-small, 8px);
}

.group-button >div.btn-add-cart {
    background-color: var(--secondary-color, #fff);
    color: var(--text-light, #ED1C25);
}

.group-button > div.btn-buy-now {
    flex: 1;
}

.group-button > div.btn-buy-now, .group-button > div.btn-rent-now {
    margin-left: var(--spacing-small, 8px);
    padding:var(--spacing-medium, 16px);
}

.group-button > div:hover {
    cursor: pointer;
}

.box-product-r-t h3 {
    font-size: 22px;
    margin-bottom: var(--spacing-small, 8px);
}

.info-sold {
    display: flex;
    margin-bottom: var(--spacing-small, 8px);
}

.count-sold {
    display: inline-block;
    margin-right: var(--spacing-medium, 16px);
    color: #888;
}

.count-sold > span {
    color: var(--text-color, #333);
}

.info-sold > span:nth-child(2), .info-sold > span:last-child {
    display: inline-block;
    background-color: #2489F4;
    color: var(--text-light-2, #fff);
    padding: 2px 5px;
    border-radius: 3px;
    font-size: 12px;
    margin-right: var(--spacing-small, 8px);
}

.info-sold > span:last-child a {
    color: var(--text-light-2, #fff);
    text-decoration: none;
}

.info-sold {
    font-size: 14px;
}

.info-sold > span:nth-child(2):hover, .info-sold > span:last-child:hover {
    cursor: pointer;
}

.info-price {
    display: flex;
    align-items: center;
}

.info-price .new-price {
    font-size: 32px;
    font-weight: bold;
    color: var(--text-light, #ED1C25);
}

.info-price .old-price {
    font-size: var(--font-size, 16px);
    text-decoration: line-through;
    color: #888;
    display: inline-block;
    margin-left: var(--spacing-small, 8px);
}

.info-price .discount {
    font-size: var(--font-size, 16px);
    color: var(--text-light-2);
    background-color: var(--primary-color, #ED1C25);
    padding: 0 4px;
    border-radius: 4px;
    margin-left: var(--spacing-small, 8px);
    font-weight: bold;
}

.coupon-title {
    display: flex;
    align-items: center;
}

.coupon-title h4 {
    font-size: 18px;
    font-weight: bold;
    margin-right: var(--spacing-medium, 16px);
}

.coupon-title span {
    color: #2489F4;
    font-size: var(--font-size-md, 14px);
}

.coupon-title span:hover {
    cursor: pointer;
}

.list-coupon {
    display: flex;
    flex-wrap: wrap;
    margin-top: var(--spacing-medium, 16px);
    gap: var(--spacing-small, 8px);
    overflow: hidden;
    justify-content: flex-start;
}

.coupon-item {
    overflow: hidden;
    max-width: 160px;
}

.coupon-item > div {
    border: 1px solid #E0E0E0;
    border-radius: var(--border-radius, 5px);
    padding: 2px 4px;
    height: 40px;
    width: 100%;
    display: flex;
    align-items: center;
    position: relative;
} 

.coupon-item > div::before, .coupon-item > div::after {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    position: absolute;
    border: 1px solid #E0E0E0;
    left: 35px;
    z-index: 10;
    background-color: var(--secondary-color, #fff);
}

.coupon-item > div::before {
    top: 0;
    transform: translateY(-60%);
}

.coupon-item > div::after {
    bottom: 0;
    transform: translateY(60%);
}

.coupon-item > div > span:first-child {
    display: block;
    height: 100%;
    text-align: center;
    margin-right: var(--spacing-medium, 16px);
    color: var(--text-light-2, #fff);
}

.coupon-item > div > span:last-child {
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    font-size: 13px;
    font-weight: bold;
}

.coupon-item > div > span > i {
    font-size: 18px;
    display: block;
    width: 28px;
    line-height: 38px;
    height: 100%;
    background-color: #FFBF4D;
    border-radius: var(--border-radius, 5px);
}

.coupon-item > div:last-child {
    margin-right: 0;
}

.box-product-variant, .box-quantity {
    margin-top: var(--spacing-large, 24px);
    display: flex;
    gap: var(--spacing-large, 24px);
}

.product-variant-title, .quantity-title {
    font-size: var(--font-size, 16px);
    font-weight: bold;
    min-width: 100px;
}

.list-product-variant {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-small, 8px);
}

.product-variant-item {
    border: 1px solid #E0E0E0;
    padding: 4px 16px;
    font-size: var(--font-size, 16px);
    border-radius: var(--border-radius, 5px);
}

.product-variant-item:hover {
    cursor: pointer;
}

.product-variant-item.active {
    border: 1px solid #2489F4;
}

.box-quantity {
    align-items: center;
}

.change-quantity {
    display: flex;
    border-radius: var(--border-radius, 5px);
    border: 1px solid #E0E0E0;
    align-items: center;
    padding: 4px 0;
}

.change-quantity i {
    display: inline-block;
    color: #9DA9A9;
}

.change-quantity i:hover {
    cursor: pointer;
}

.change-quantity i:first-child {
    padding: 0 var(--spacing-small, 8px) 0 var(--spacing-medium, 16px);
}

.change-quantity i:last-child {
    padding: 0 var(--spacing-medium, 16px) 0 var(--spacing-small, 8px);
}

.change-quantity input {
    width: 3em !important;
    border: none;
    text-align: center;
    font-weight: bold;
    font-size: 1.2em;
}

.change-quantity input:focus {
    outline: none;
}

.product-r-detail-title, .product-r-des-title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: var(--spacing-medium, 16px);
}

.list-detail .detail-item {
    padding: var(--spacing-small, 8px) 0;
    border-bottom: 0.5px solid #F2F4F5;
    font-size: 14px;
    display: flex;
    gap: var(--spacing-small, 8px);
    font-weight: lighter;
}

.list-detail .detail-item:last-child {
    border-bottom: none;
}

.product-relate {
    background-color: var(--secondary-color, #fff);
    padding: var(--spacing-medium, 16px) var(--spacing-small, 8px);
    margin: var(--spacing-large, 24px) 0;
    border-radius: var(--border-radius, 5px);
}

.detail-item-title {
    display: block;
    color: #777;
    flex-basis: 28%;
}

.product-relate-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-small, 8px) var(--spacing-medium, 16px) var(--spacing-small, 8px);
    border-bottom: 1px solid #CDCFD0;
}

.product-relate-title h3 {
    font-size: 1.5rem;
}

.product-relate-title a {
    color: var(--text-color, #333);
    text-decoration: none;
}

.product-relate-title a:hover {
    color: var(--text-light, #ED1C25);
    cursor: pointer;
}

.list-product-relate {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr 1fr;
    gap: var(--spacing-medium, 16px);
    margin-top: var(--spacing-small, 8px);
}

/* Popup Thêm sản phẩm vào giỏ hàng */
.popup-add-cart .box-popup-title {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    align-items: center;
    padding: var(--spacing-medium, 16px) var(--spacing-small, 8px);
    box-shadow: 0 5px 10px #F2F4F5;
}

.popup-add-cart .box-popup-title h4 {
    font-size: 20px;
}

.popup-add-cart .box-popup-title span i {
    font-size: 22px;
    vertical-align: middle;
    color: #9DA9A9;
}

.popup-add-cart .box-popup-title span i:hover {
    cursor: pointer;
}

.popup-add-cart  .box-popup-content {
    padding: var(--spacing-medium, 16px);
}

.popup-change-quantity > span{
    font-size: var(--font-size, 16px);
    font-weight: bold;
    display: inline-block;
    margin-bottom: var(--spacing-small, 8px);
}

.popup-change-quantity > div {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.popup-change-quantity > div i {
    font-size: 22px;
}

.popup-change-quantity > div i:hover {
    cursor: pointer;
}

.popup-change-quantity > div input {
    border: none;
    text-align: center;
    font-size: 30px;
    max-width: 150px;
}

.popup-change-quantity > div input:focus {
    outline: none;
}

.popup-group-button {
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: center;
    margin-top: var(--spacing-medium, 16px);
    gap: var(--spacing-small);
}

.popup-button-buy, .popup-button-rent {
    flex: 1;
    padding: var(--spacing-small, 8px) 0;
    border-radius: var(--border-radius, 5px);
    font-weight: bold;
}

.popup-button-buy:hover, .popup-button-rent:hover {
    cursor: pointer;
}

.popup-button-buy {
    background-color: var(--primary-color, #ED1C25);
    color: var(--text-light-2, #fff);
    border: 1px solid var(--primary-color, #ED1C25);
}

.popup-button-rent {
    background-color: var(--secondary-color, #fff);
    color: var(--text-light, #ED1C25);
    border: 1px solid var(--primary-color, #ED1C25);
}

/* Popup thông báo */
.popup-alert-added .box-popup{
    background-color: rgba(0, 0, 0, 0.9);
    padding: var(--spacing-medium, 16px);
    color: var(--text-light-2, #fff);
    text-align: center;
    min-width: 200px !important;
    min-height: 200px !important;
}

.popup-alert-added .box-popup i {
    font-size: 100px;
    color: #54CB83;
}

.popup-alert-added .box-popup h4 {
    font-size: 20px;
    font-weight: bold;
    margin-top: var(--spacing-large, 24px);
}

/* Desktop */
@media (max-width: 1200px) {
    .container {
        max-width: var(--container-max-width-desktop, 960px);
    }

    .group-button {
        flex-wrap: wrap;
        justify-content: start;
    }

    .group-button > div.btn-rent-now {
        margin-left: 0;
        width: 100%;
        margin-top: var(--spacing-small, 8px);
    }

    .list-product-relate {
        grid-template-columns: 1fr 1fr 1fr 1fr;
    }

    .product-relate, .box-product{
        margin-left: var(--spacing-medium, 16px);
        margin-right: var(--spacing-medium, 16px);
    }
}

/* Tablet lớn */
@media (max-width: 992px) {
    .box-product {
        grid-template-columns: 1fr;
    }

    .box-product-l, .box-product-r-t, .box-product-r-m, .box-product-r-detail, .box-product-r-des,
    .product-relate {
        border-radius: var(--border-radius-md, 10px);
    }

    .box-product-l {
        position: static;
    }

    .box-product-l, .box-product-r-t, .box-product-r-m, .box-product-r-detail, .box-product-r-des {
        padding: var(--spacing-small, 8px);
    }

    .list-image-small {
        justify-content: space-evenly;
    }

    .group-button {
        flex-wrap: nowrap;
        justify-content: start;
    }

    .group-button > div {
        flex-basis: 33%;
    }

    .group-button > div.btn-rent-now {
        margin-left: 8px;
        margin-top: var(--spacing-medium, 16px);
    }

    .list-product-relate {
        grid-template-columns: 1fr 1fr 1fr;
    }
}

/* Tablet */
@media (max-width: 768px) {
    .group-button {
        flex-wrap: wrap;
    }

    .group-button >div.btn-add-cart {
        flex-basis: 50%;
    }

    .group-button > div {
        flex-basis: auto;
    }

    .group-button > div.btn-rent-now {
        margin-left: 0;
        margin-top: var(--spacing-small, 8px);
    }

    .list-coupon {
        flex-wrap: wrap;
    }

    .list-product-relate {
       gap: var(--spacing-small, 8px);
       grid-template-columns: repeat(3, calc((100% - var(--spacing-small, 8px) * 2) / 3));
    }
}

/* mobile */
@media (max-width: 576px) {
    .product-item img {
        height: 170px;
        max-width: 100%;
    }

    .box-product {
        margin-left: var(--spacing-small, 8px);
        margin-right: var(--spacing-small, 8px);
    }

    .box-product-l, .box-product-r-t, .box-product-r-m, .box-product-r-detail, .box-product-r-des {
        padding: var(--spacing-small, 8px);
    }

    .group-button > div, .group-button > div.btn-buy-now {
        padding-left: 0;
        padding-right: 0;
    }

    .list-coupon {
        justify-content: space-around;
    }

    .box-product-variant {
        display: block;
    }

    .product-variant-title {
        margin-bottom: var(--spacing-small, 8px);
    }

    .product-relate {
        margin-left: var(--spacing-small, 8px);
        margin-right: var(--spacing-small, 8px);
    }

    .list-product-relate {
        grid-template-columns: 1fr 1fr;
    }
}